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Completed branch predictor benchmarking.

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This commit is contained in:
Ross Thompson 2023-09-27 13:56:51 -05:00
parent 1a003019d6
commit 9ae6261e5c
6 changed files with 71 additions and 31 deletions
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9
bin/parseTest.py
View File

@ -109,13 +109,14 @@ def ComputeGeometricAverage(benchmarks):
index = 0
for (testName, opt, HPMCList) in benchmarks:
#print(HPMCList)
Product *= HPMCList[field]
value = HPMCList[field]
if(value != 0): Product *= value # if that value is 0 exclude from mean because it destories the geo mean
index += 1
AllAve[field] = Product ** (1.0/index)
benchmarks.append(('Mean', '', AllAve))
def GenerateName(predictorType, predictorParams):
if(predictorType == 'gshare' or predictorType == 'twobit' or predictorType == 'btb' or predictorType == 'class'):
if(predictorType == 'gshare' or predictorType == 'twobit' or predictorType == 'btb' or predictorType == 'class' or predictorType == 'ras'):
return predictorType + predictorParams[0]
elif(predictorParams == 'local'):
return predictorType + predictorParams[0] + '_' + predictorParams[1]
@ -126,6 +127,8 @@ def GenerateName(predictorType, predictorParams):
def ComputePredNumEntries(predictorType, predictorParams):
if(predictorType == 'gshare' or predictorType == 'twobit' or predictorType == 'btb' or predictorType == 'class'):
return 2**int(predictorParams[0])
elif(predictorType == 'ras'):
return int(predictorParams[0])
elif(predictorParams == 'local'):
return 2**int(predictorParams[0]) * int(predictorParams[1]) + 2**int(predictorParams[1])
else:
@ -290,7 +293,7 @@ def ReportAsGraph(benchmarkDict, bar):
'ClassMPR': 'Class Misprediction'}
if(args.summary):
markers = ['x', '.', '+', '*', '^', 'o', ',', 's']
colors = ['blue', 'black', 'dodgerblue', 'gray', 'lightsteelblue', 'turquoise', 'black', 'blue']
colors = ['blue', 'black', 'gray', 'dodgerblue', 'lightsteelblue', 'turquoise', 'black', 'blue']
temp = benchmarkDict['Mean']
# the benchmarkDict['Mean'] contains sequencies of results for multiple

12
sim/bp-results/branch-list.txt Normal file
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@ -0,0 +1,12 @@
gshare6.log gshare 6
gshare8.log gshare 8
gshare10.log gshare 10
gshare12.log gshare 12
gshare14.log gshare 14
gshare16.log gshare 16
twobit6.log twobit 6
twobit8.log twobit 8
twobit10.log twobit 10
twobit12.log twobit 12
twobit14.log twobit 14
twobit16.log twobit 16

6
sim/bp-results/btb-list.txt Normal file
View File

@ -0,0 +1,6 @@
btb6.log btb 6
btb8.log btb 8
btb10.log btb 10
btb12.log btb 12
btb14.log btb 14
btb16.log btb 16

6
sim/bp-results/class-list.txt Normal file
View File

@ -0,0 +1,6 @@
class6.log class 6
class8.log class 8
class10.log class 10
class12.log class 12
class14.log class 14
class16.log class 16

5
sim/bp-results/ras-list.txt Normal file
View File

@ -0,0 +1,5 @@
ras3.log ras 3
ras4.log ras 4
ras6.log ras 6
ras10.log ras 10
ras16.log ras 16

64
sim/wave.do
View File

@ -299,7 +299,15 @@ add wave -noupdate -group {WriteBack stage} /testbench/InstrW
add wave -noupdate -group {WriteBack stage} /testbench/InstrWName
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/GHRM
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} -label PHT /testbench/dut/core/ifu/bpred/bpred/Predictor/DirPredictor/PHT/mem
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} -divider {class check}
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} {/testbench/dut/core/ifu/bpred/bpred/RASPredictor/memory[5]}
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} {/testbench/dut/core/ifu/bpred/bpred/RASPredictor/memory[4]}
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} {/testbench/dut/core/ifu/bpred/bpred/RASPredictor/memory[3]}
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} {/testbench/dut/core/ifu/bpred/bpred/RASPredictor/memory[2]}
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} {/testbench/dut/core/ifu/bpred/bpred/RASPredictor/memory[1]}
add wave -noupdate -expand -group Bpred -expand -group {branch update selection inputs} {/testbench/dut/core/ifu/bpred/bpred/RASPredictor/memory[0]}
add wave -noupdate -expand -group Bpred -expand -group RAS -expand /testbench/dut/core/ifu/bpred/bpred/RASPredictor/memory
add wave -noupdate -expand -group Bpred -expand -group RAS /testbench/dut/core/ifu/bpred/bpred/RASPredictor/Ptr
add wave -noupdate -expand -group Bpred -divider {class check}
add wave -noupdate -expand -group Bpred -expand -group prediction /testbench/dut/core/ifu/bpred/bpred/RASPCF
add wave -noupdate -expand -group Bpred -expand -group prediction -expand -group ex /testbench/dut/core/ifu/bpred/bpred/PCSrcE
add wave -noupdate -group {PCNext Generation} /testbench/dut/core/ifu/PCNextF
@ -578,31 +586,31 @@ add wave -noupdate -group ifu -group itlb -expand -group key19 {/testbench/dut/c
add wave -noupdate -group ifu -group itlb -expand -group key19 {/testbench/dut/core/ifu/immu/immu/tlb/tlb/tlbcam/camlines[19]/Key1}
add wave -noupdate -group ifu -group itlb -expand -group key19 {/testbench/dut/core/ifu/immu/immu/tlb/tlb/tlbcam/camlines[19]/Query0}
add wave -noupdate -group ifu -group itlb -expand -group key19 {/testbench/dut/core/ifu/immu/immu/tlb/tlb/tlbcam/camlines[19]/Query1}
add wave -noupdate -expand -group {Performance Counters} -label MCYCLE -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[0]}
add wave -noupdate -expand -group {Performance Counters} -label MINSTRET -radix hexadecimal {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[2]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label Branch -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[3]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {BP Dir Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[7]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {Jump (Not Return)} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[4]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label Return -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[5]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {BP Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[6]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {BTA Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[8]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {RAS Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[9]}
add wave -noupdate -expand -group {Performance Counters} -expand -group BP -label {BP CLASS WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[10]}
add wave -noupdate -expand -group {Performance Counters} -group ICACHE -label {I Cache Access} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[16]}
add wave -noupdate -expand -group {Performance Counters} -group ICACHE -label {I Cache Miss} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[17]}
add wave -noupdate -expand -group {Performance Counters} -group ICACHE -label {I Cache Miss Cycles} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[18]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {Load Stall} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[11]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {Store Stall} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[12]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {DCACHE MISS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[14]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {DCACHE ACCESS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[13]}
add wave -noupdate -expand -group {Performance Counters} -group DCACHE -label {D Cache Miss Cycles} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[15]}
add wave -noupdate -expand -group {Performance Counters} -group Privileged -label {CSR Write} {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[19]}
add wave -noupdate -expand -group {Performance Counters} -group Privileged -label Fence.I {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[20]}
add wave -noupdate -expand -group {Performance Counters} -group Privileged -label sfence.VMA {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[21]}
add wave -noupdate -expand -group {Performance Counters} -group Privileged -label Interrupt {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[22]}
add wave -noupdate -expand -group {Performance Counters} -group Privileged -label Exception {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[23]}
add wave -noupdate -expand -group {Performance Counters} -label {FDiv or IDiv Cycles} {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[24]}
add wave -noupdate -expand -group {Performance Counters} /testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW
add wave -noupdate -group {Performance Counters} -label MCYCLE -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[0]}
add wave -noupdate -group {Performance Counters} -label MINSTRET -radix hexadecimal {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[2]}
add wave -noupdate -group {Performance Counters} -expand -group BP -label Branch -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[3]}
add wave -noupdate -group {Performance Counters} -expand -group BP -label {BP Dir Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[7]}
add wave -noupdate -group {Performance Counters} -expand -group BP -label {Jump (Not Return)} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[4]}
add wave -noupdate -group {Performance Counters} -expand -group BP -label Return -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[5]}
add wave -noupdate -group {Performance Counters} -expand -group BP -label {BP Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[6]}
add wave -noupdate -group {Performance Counters} -expand -group BP -label {BTA Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[8]}
add wave -noupdate -group {Performance Counters} -expand -group BP -label {RAS Wrong} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[9]}
add wave -noupdate -group {Performance Counters} -expand -group BP -label {BP CLASS WRONG} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[10]}
add wave -noupdate -group {Performance Counters} -group ICACHE -label {I Cache Access} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[16]}
add wave -noupdate -group {Performance Counters} -group ICACHE -label {I Cache Miss} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[17]}
add wave -noupdate -group {Performance Counters} -group ICACHE -label {I Cache Miss Cycles} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[18]}
add wave -noupdate -group {Performance Counters} -group DCACHE -label {Load Stall} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[11]}
add wave -noupdate -group {Performance Counters} -group DCACHE -label {Store Stall} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[12]}
add wave -noupdate -group {Performance Counters} -group DCACHE -label {DCACHE MISS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[14]}
add wave -noupdate -group {Performance Counters} -group DCACHE -label {DCACHE ACCESS} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[13]}
add wave -noupdate -group {Performance Counters} -group DCACHE -label {D Cache Miss Cycles} -radix unsigned {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[15]}
add wave -noupdate -group {Performance Counters} -group Privileged -label {CSR Write} {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[19]}
add wave -noupdate -group {Performance Counters} -group Privileged -label Fence.I {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[20]}
add wave -noupdate -group {Performance Counters} -group Privileged -label sfence.VMA {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[21]}
add wave -noupdate -group {Performance Counters} -group Privileged -label Interrupt {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[22]}
add wave -noupdate -group {Performance Counters} -group Privileged -label Exception {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[23]}
add wave -noupdate -group {Performance Counters} -label {FDiv or IDiv Cycles} {/testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW[24]}
add wave -noupdate -group {Performance Counters} /testbench/dut/core/priv/priv/csr/counters/counters/HPMCOUNTER_REGW
add wave -noupdate -group {ifu } -color Gold /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/AHBBuscachefsm/CurrState
add wave -noupdate -group {ifu } /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/AHBBuscachefsm/HREADY
add wave -noupdate -group {ifu } /testbench/dut/core/ifu/bus/icache/ahbcacheinterface/FetchBuffer
@ -677,7 +685,7 @@ add wave -noupdate /testbench/dut/core/fpu/fpu/fctrl/IllegalFPUInstrD
add wave -noupdate /testbench/dut/core/fpu/fpu/fctrl/STATUS_FS
add wave -noupdate /testbench/dut/core/priv/priv/csr/csrsr/STATUS_FS_INT
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 4} {172636 ns} 1} {{Cursor 4} {5101 ns} 0} {{Cursor 3} {152766 ns} 1}
WaveRestoreCursors {{Cursor 4} {172636 ns} 1} {{Cursor 4} {111958 ns} 0} {{Cursor 3} {152766 ns} 1}
quietly wave cursor active 2
configure wave -namecolwidth 250
configure wave -valuecolwidth 194
@ -693,4 +701,4 @@ configure wave -griddelta 40
configure wave -timeline 0
configure wave -timelineunits ns
update
WaveRestoreZoom {4326 ns} {6929 ns}
WaveRestoreZoom {37879604 ns} {38203328 ns}